Asymmetrical exchange
Unequal migration across the land-bridge millions of years ago
Octubre 06, 2020
The disproportionate extinction of South American mammals when the Americas collided is still evident today
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Displaying 20 of 35 results.
Foster care
Baby vampire bat adopted by mom’s best friend
Febrero 09, 2021
The strong relationship formed between two female adult vampire bats may have motivated one of the bats to adopt the other’s baby.
Rearing Cicadas
The path toward discovering a new species of Cicada
Mayo 27, 2021
Annette Aiello has a natural history radar system that most of us lack. An observation of an insect exoskeleton on a potted plant may lead to the identification of a new insect species.
Deceiving plumage
Female Hummingbirds look like males to avoid harassment
Agosto 31, 2021
Colorful female Jacobins in the wild may feed more frequently and for longer periods than their drab counterparts
Fortuitous discovery
Accidental tree wound reveals novel symbiotic behavior
Enero 07, 2022
A group of high school students describe how Azteca alfari ants respond to damage to their host plant
Palm pollinators
Not such evil Weevils
Mayo 26, 2021
Join Brazilian biologist, Bruno de Medeiros, as he explores mysterious trade-offs between plants and their pollinators and why they are important to the Brazilian economy and ecosystems.
Confined
Isolation led white-faced capuchin monkeys into the Stone Age
Julio 21, 2020
After 14 thousand years of living in confinement and without the threat of predators, the white-faced capuchin monkeys on the Coiba National Park islands have begun to exhibit behaviors that have not been recorded in the mainland populations. For example, they are highly terrestrial and have learned to use stones as tools. Listen to doctoral student in animal behavior and former STRI fellow, Claudio Monteza, tell us this story.
Tiny Tool
Modern pollen as a tool for paleoecological research (talk in Spanish)
Abril 25, 2023
Each plant produces a particular type of pollen, which means that it has unique characteristics that can be used to identify the species to which it belongs.
Frog fertility clinic
Artificial fertilization key to rescuing Panama’s endangered frogs from extinction
Abril 27, 2023
Animals in captivity may have trouble breeding, so to keep amphibian species from dying out, researchers are discovering new ways to help them reproduce.
Redefining sexual dimorphism
Is odor the secret to bats’ sex appeal?
Enero 29, 2021
A literature review revealed that odor-producing glands and tissues in bats may play a prominent role in mating behavior
